formal structural model

基本解释

We use the formal questionnaire to investigate 718 undergraduates to find some characters of them and we test the structure of entrepreneurship values by Structural Equation Model.
用正式问卷对718名大学生进行调查，并运用结构方程模型对大学生创业价值观问卷的理论构想予以验证。
First, a structural model has been put forward and constructed for general ICS', then by utilization of formal language theory, the structural model formulated as a kind of context-free grammar.
本文走从语言文字描述至符号化再到形式化的崭新道路，首先为一般性的智能控制系统提出并建造了结构模型，然后利用形式语言理论将结构模型推导成了一种上下文无关文法。